from dht import DHT22
from machine import Pin
from time import sleep_ms


d = DHT22(Pin(21))

while True:
    d.measure()
    t = d.temperature() # eg. 23.6 (°C)
    h = d.humidity()    # eg. 41.3 (% RH)
    print(f'Temp: {t}°C, Umid: {h}%')
    sleep_ms(2000)